Patents by Inventor Mildred W. Lawson

Mildred W. Lawson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vein locator
    Patent number: 5167629
    Abstract: A vein locator for locating a vein of a patient for insertion of a venous access catheter. The locator comprises a sleeve partially encompassing the vein to be located, and a ring removably attached to the sleeve. The ring has protuberances around an opening wherein the protuberances can be felt through the skin of the patient to locate the vein. The opening surrounded by the protuberances defines the vein location for insertion of the catheter. The method of locating a vein and the method of inserting a venous access catheter is also contemplated by the invention.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: December 1, 1992
    Inventors: Mathieu J. Vertenstein, Mildred W. Lawson